Central terms of odd-indexed rows of triangle A125806: a(n) = A125806(2n+1,n).
A125807
Central terms of odd-indexed rows of triangle A125806: a(n) = A125806(2n+1,n).
Terms
- a(0) =1a(1) =3a(2) =16a(3) =119a(4) =1070a(5) =10762a(6) =116546a(7) =1330923a(8) =15823388a(9) =194168612a(10) =2444224858a(11) =31422225930a(12) =411141476444
External references
- oeis: A125807